US4312952A - Fibre glass composition - Google Patents
Fibre glass composition Download PDFInfo
- Publication number
- US4312952A US4312952A US06/139,423 US13942380A US4312952A US 4312952 A US4312952 A US 4312952A US 13942380 A US13942380 A US 13942380A US 4312952 A US4312952 A US 4312952A
- Authority
- US
- United States
- Prior art keywords
- glass
- sub
- log
- zno
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C13/00—Fibre or filament compositions
Definitions
- This invention relates to a glass composition for the production of fibres for glass wool insulations.
- the glass composition according to the invention is especially suited for the so-called Johns-Manville fibre forming process which utilizes a process equipment incapable of withstanding excessive temperatures.
- the melting temperature and the fibre forming temperature of the glass must be low, thereby to impart maximum life to the spinner.
- the melting temperature is indicated as the so-called log 2 temperature, i.e. the temperature at which the 10 log of the viscosity of the glass, measured in poise (or deciPascalsecond, dPas) is 2, while the fibre forming temperature is correspondingly given as the log 3 temperature.
- liquidus temperature which is the temperature above which no crystallization occurs in the glass.
- L T the liquidus temperature
- Another important property of the glass is its chemical resistance which is measured in accordance with standardized testing methods as the so-called hydrolytical resistance (P value of DGG value).
- the invention is based on the fact that there exists between certain atomic types in the glass, such as Zn-Ca and Li-Na-K, a certain anomaly which is of decisive importance to the physical properties of the glass and which depends upon the ion radii of the atoms. To satisfy this anomaly, the difference between the ion radii must be greater than 0.3 A. In order to improve the physical and chemical properties of the glass, this anomaly in the glass structure must be well satisfied, and this means that certain atoms should be included in the glass in a specific interrelationship.
- the present invention proposes incorporating ZnO in the glass, thereby to change the physical and, in particular, the chemical properties of the glass. Furthermore, it is especially preferred to incorporate also from 0 to 1, preferably from 0.1 to 0.4% by weight of Li 2 O in the glass, whereby the anomaly is further improved, the viscosity is greatly reduced, and the chemical resistance of the glass is increased.
- the fibre glass according to the present invention is characterised by a composition which, based on % by weight, lies within the following general limits:
- glass composition according to the present invention lie within the following limits:
- alkali borosilicate glass greatly reduces the chemical resistance of the glass, but if ZnO is supplied to such glass, the surprising result is that the glass may contain larger amounts of alkali without detriment to the chemical resistance.
- the high alkali content affects the viscosity of the glass according to the invention so that it will be more readily liquefiable, i.e. the log 2 and log 3 temperatures of the glass are lowered, and this brings a number of practical advantages, such as a lower fibre forming temperature, whereby the life of the fibre forming equipment will be extended and power can be saved.
- the lower fibre forming temperature also gives a product a higher quality.
- the glass according to the invention shows a lowering of the liquidus temperature as compared with conventional glass, as a result of which the risk of crystallization of the glass in the spinner is conspicuously reduced or even eliminated.
- the glass according to invention has excellent chemical resistance, as will appear from the values of hydrolytical resistance in the following Examples.
- a further advantage of the present invention is that readily available and inexpensive ZnO-containing starting material may be used. Thus, there is no need to use absolutely pure ZnO as the starting material for the ZnO content of the glass, and any ZnO-containing material can be used.
- compositions of the standard glass and the glass according to the present invention like the properties of the glasses with respect to log 2, log 3, L T , liquidus viscosity and chemical resistance (P v SIS 136 321) will appear from Table 1.
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Compositions (AREA)
Abstract
A fibre glass composition which is characterized in that it consists of
______________________________________
% by weight
______________________________________
SiO2
55-65
Al2 O3
1-2
CaO 6-9.5
MgO 1-4.5
Na2 O
13-17
K2 O
0-2
B2 O3
1-7
BaO 0-3
Li2 O
0-1
Fe2 O3
traces
ZnO 0.5-6
______________________________________
Description
This invention relates to a glass composition for the production of fibres for glass wool insulations. The glass composition according to the invention is especially suited for the so-called Johns-Manville fibre forming process which utilizes a process equipment incapable of withstanding excessive temperatures.
In the convenional production of such fibres, molten glass is extruded by centrifugal force through the apertures of a rotary spinner. In order to obtain satisfactory fibres, the glass should fulfil certain requirements. Thus, the melting temperature and the fibre forming temperature of the glass must be low, thereby to impart maximum life to the spinner. The melting temperature is indicated as the so-called log 2 temperature, i.e. the temperature at which the 10 log of the viscosity of the glass, measured in poise (or deciPascalsecond, dPas) is 2, while the fibre forming temperature is correspondingly given as the log 3 temperature. If the log 2 and log 3 temperatures can be lowered, this will increase the life of the spinner, and the production stops necessitated by the exchange of the spinners will be less frequent. Already a lowering of the log 2 and log 3 temperatures by five or ten °C. constitutes a considerable improvement. However, a lowering of only the log 2 temperature and the log 3 temperature of the glass is not feasible since the other properties of the glass must also be taken into consideration.
Among the remaining important properties of the glass that must be taken into consideration, is the liquidus temperature, LT, which is the temperature above which no crystallization occurs in the glass. To avoid crystallization of the glass in the spinner, the liquidus temperature must lie at least 50° C. below the log 3 temperature.
Another important property of the glass is its chemical resistance which is measured in accordance with standardized testing methods as the so-called hydrolytical resistance (P value of DGG value).
If it is desired to lower the melting temperature and the fibre forming temperature of the glass, the obvious thing is to increase the content of CaO, Na2 O, K2 O or B2 O3. However, an increase of the CaO content will result in an increase of the liquidus temperature of the glass, with the ensuring risk of crystallization in the spinner. An increased content of Na2 O, K2 O or B2 O3 reduces the chemical resistance of the glass. It will thus be obvious that there is little possibility of changing the composition in conventional manner to obtain improved properties in one respect, without simultaneously deteriorating the properties in some other respect.
The present invention, however, the characteristic features of which are stated in the appended claims, quite surprisingly yields a glass composition having essentially improved properties as compared with standard glass, and this is achieved by incorporating ZnO and preferably also Li2 O in the glass composition.
The invention is based on the fact that there exists between certain atomic types in the glass, such as Zn-Ca and Li-Na-K, a certain anomaly which is of decisive importance to the physical properties of the glass and which depends upon the ion radii of the atoms. To satisfy this anomaly, the difference between the ion radii must be greater than 0.3 A. In order to improve the physical and chemical properties of the glass, this anomaly in the glass structure must be well satisfied, and this means that certain atoms should be included in the glass in a specific interrelationship.
In the light of these circumstances, the present invention proposes incorporating ZnO in the glass, thereby to change the physical and, in particular, the chemical properties of the glass. Furthermore, it is especially preferred to incorporate also from 0 to 1, preferably from 0.1 to 0.4% by weight of Li2 O in the glass, whereby the anomaly is further improved, the viscosity is greatly reduced, and the chemical resistance of the glass is increased.
The fibre glass according to the present invention is characterised by a composition which, based on % by weight, lies within the following general limits:
______________________________________ % by weight ______________________________________ SiO.sub.2 55-65 Al.sub.2 O.sub.3 1-2 CaO 6-9.5 MgO 1-4.5 Na.sub.2 O 13-17 K.sub.2 O 0-2 B.sub.2 O.sub.3 1-7 BaO 0-3 Li.sub.2 O 0-1 Fe.sub.2 O.sub.3 traces ZnO 0.5-6 ______________________________________
It is especially preferred that the glass composition according to the present invention lie within the following limits:
______________________________________ % by weight ______________________________________ SiO.sub.2 58-62 Al.sub.2 O.sub.3 1-2 CaO 8-9.5 MgO 2.3-3.5 Na.sub.2 O 15-17 K.sub.2 O 0-1 B.sub.2 O.sub.3 5-7 BaO -- Li.sub.2 O 0.1-0.4 Fe.sub.2 O.sub.3 traces ZnO 1.5-3.5 ______________________________________
By adding from 0.5 to 6, preferably from 1.5 to 3.5% by weight of ZnO, an excellent chemical resistance of the glass according to the invention is obtained. The chemical resistance was even found to be much better than when the same amount of, for example, titanium dioxide is added to the glass.
Generally, a high proportion of alkali in alkali borosilicate glass greatly reduces the chemical resistance of the glass, but if ZnO is supplied to such glass, the surprising result is that the glass may contain larger amounts of alkali without detriment to the chemical resistance.
The high alkali content, on its part, affects the viscosity of the glass according to the invention so that it will be more readily liquefiable, i.e. the log 2 and log 3 temperatures of the glass are lowered, and this brings a number of practical advantages, such as a lower fibre forming temperature, whereby the life of the fibre forming equipment will be extended and power can be saved. The lower fibre forming temperature also gives a product a higher quality. Furthermore, the glass according to the invention shows a lowering of the liquidus temperature as compared with conventional glass, as a result of which the risk of crystallization of the glass in the spinner is conspicuously reduced or even eliminated. In addition, the glass according to invention has excellent chemical resistance, as will appear from the values of hydrolytical resistance in the following Examples. A further advantage of the present invention is that readily available and inexpensive ZnO-containing starting material may be used. Thus, there is no need to use absolutely pure ZnO as the starting material for the ZnO content of the glass, and any ZnO-containing material can be used.
To illustrate the present invention, the following non-restrictive Examples are given.
Three ZnO-containing glasses according to the present invention were produced. For the purpose of comparison, a conventional alkali borosilicate glass was produced which is used in actual practice and which in the following is referred to as "standard glass".
The compositions of the standard glass and the glass according to the present invention, like the properties of the glasses with respect to log 2, log 3, LT, liquidus viscosity and chemical resistance (Pv SIS 136 321) will appear from Table 1.
TABLE 1 ______________________________________ Example 1 (standard glass) Example 2 Example 3 ______________________________________ Oxide SiO.sub.2 63.0 62.6 59.2 Al.sub.2 O.sub.3 2.5 1.5 1.5 CaO 8.8 9.1 9.1 MgO 3.5 3.5 3.5 Na.sub.2 O 14.7 15.9 15.9 K.sub.2 O 1.0 0.6 0.6 B.sub.2 O.sub.3 6.5 6.9 6.9 BaO -- -- -- Li.sub.2 O -- 0.2 0.2 Fe.sub.2 O.sub.3 0.2 0.1 0.1 ZnO -- 0.5 3.0 log η 2 (°C.) 1270 1200 1187 log η 3 (°C.) 1060 997 992 L.sub.T (°C.) 960 948 920 Liquidus visc. 3.699 3.353 3.528 P.sub.v SIS 136232 1.0 1.5 0.9 ______________________________________
Claims (1)
1. A fibre glass composition characterized in that it consists of
______________________________________ by weight ______________________________________ SiO.sub.2 58-62 Al.sub.2 O.sub.3 1-2 CaO 8-9.5 MgO 2.5-3.5 Na.sub.2 O 15-17 K.sub.2 O 0-1 B.sub.2 O.sub.3 5-7 BaO -- Li.sub.2 O 0.1-0.4 Fe.sub.2 O.sub.3 traces ZnO 1.5-3.5. ______________________________________
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7904044A SE418961C (en) | 1979-05-09 | 1979-05-09 | FIBER GLASS FIXED SEEN NING |
SE7904044 | 1979-05-09 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US06/281,143 Continuation-In-Part US4381347A (en) | 1979-05-09 | 1981-07-07 | Fibre glass composition |
Publications (1)
Publication Number | Publication Date |
---|---|
US4312952A true US4312952A (en) | 1982-01-26 |
Family
ID=20338001
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US06/139,423 Expired - Lifetime US4312952A (en) | 1979-05-09 | 1980-04-11 | Fibre glass composition |
Country Status (7)
Country | Link |
---|---|
US (1) | US4312952A (en) |
EP (1) | EP0019600B2 (en) |
JP (1) | JPS5824385B2 (en) |
DE (1) | DE3064209D1 (en) |
DK (1) | DK158896B (en) |
FI (1) | FI64794C (en) |
SE (1) | SE418961C (en) |
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4381347A (en) * | 1979-05-09 | 1983-04-26 | Oy Partek Ab | Fibre glass composition |
US5108957A (en) * | 1989-08-11 | 1992-04-28 | Isover Saint-Gobain | Glass fibers decomposable in a physiological medium |
US5250488A (en) * | 1989-08-11 | 1993-10-05 | Sylvie Thelohan | Mineral fibers decomposable in a physiological medium |
USRE35557E (en) * | 1990-06-01 | 1997-07-08 | Isover-Saint Gobain | Mineral fibers decomposable in a physiological medium |
US5843856A (en) * | 1996-01-24 | 1998-12-01 | General Electric Company | Glass composition |
US5843855A (en) * | 1997-01-15 | 1998-12-01 | General Electric Company | Glass |
US5932347A (en) * | 1996-10-31 | 1999-08-03 | Owens Corning Fiberglas Technology, Inc. | Mineral fiber compositions |
US5962355A (en) * | 1996-04-24 | 1999-10-05 | Owens Corning Fiberglas Technology, Inc. | Glass compositions having high KI values and fibers therefrom |
US6034014A (en) * | 1997-08-04 | 2000-03-07 | Owens Corning Fiberglas Technology, Inc. | Glass fiber composition |
WO2003062164A1 (en) * | 2002-01-23 | 2003-07-31 | Paramount Glass Manufacturing Co., Ltd. | Glass composition for preparing inorganic fiber, method for production thereof and formed product from the inorganic fiber |
US20040015420A1 (en) * | 2002-07-18 | 2004-01-22 | Sorrells David F. | Networking methods and systems |
US6852656B1 (en) * | 1999-09-30 | 2005-02-08 | Techint Compagnia Tecnica Internazionale S.P.A. | Glass fiber composition |
US20080015531A1 (en) * | 2006-07-12 | 2008-01-17 | The Procter & Gamble Company | Disposable absorbent articles comprising non-biopersistent inorganic vitreous microfibers |
US20080161177A1 (en) * | 2006-12-27 | 2008-07-03 | Jon Frederick Bauer | Novel glass compositions for fiber formation |
US20100248928A1 (en) * | 2007-10-31 | 2010-09-30 | Saint-Gobain Technical Fabrics Europe | Glass strands with low alumina content capable of reinforcing organic and/or inorganic materials |
US20120153822A1 (en) * | 2009-08-26 | 2012-06-21 | Ocean's King Lighting Science & Technology Co., Ltd. | Luminescent element, preparation method thereof and luminescence method |
US8536079B2 (en) * | 2011-04-29 | 2013-09-17 | Owens Corning Intellectual Capital, Llc | Use of boron to reduce the thermal conductivity of unbonded loosefill insulation |
US20190249817A1 (en) * | 2016-09-16 | 2019-08-15 | Saint-Gobain Isover | Glass wool, and vacuum heat insulation material using same |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3917045A1 (en) * | 1989-05-25 | 1990-11-29 | Bayer Ag | TOXICOLOGICAL UNSUITABLE GLASS FIBERS |
FR2658182B1 (en) * | 1990-02-09 | 1993-11-26 | Isover Saint Gobain | GLASS FIBERS LIKELY TO DECOMPOSE IN A BIOLOGICAL ENVIRONMENT. |
US5055428A (en) * | 1990-09-26 | 1991-10-08 | Owens-Corning Fiberglass Corporation | Glass fiber compositions |
US5994247A (en) | 1992-01-17 | 1999-11-30 | The Morgan Crucible Company Plc | Saline soluble inorganic fibres |
US5811360A (en) * | 1993-01-15 | 1998-09-22 | The Morgan Crucible Company Plc | Saline soluble inorganic fibres |
ES2196040T3 (en) * | 1993-01-15 | 2003-12-16 | Morgan Crucible Co | INORGANIC FIBERS SOLUBLE IN SALIN DISSOLUTIONS. |
DE4417231C3 (en) * | 1994-05-17 | 2000-06-29 | Gruenzweig & Hartmann | Use of a composition as a material for biodegradable mineral fibers |
HU213464B (en) * | 1994-05-28 | 1997-06-30 | Saint Gobain Isover | Glass-fiber composition |
DE9422034U1 (en) * | 1994-05-28 | 1997-10-02 | Grünzweig + Hartmann AG, 67059 Ludwigshafen | Glass fiber compositions |
JPH09501141A (en) * | 1994-05-28 | 1997-02-04 | イソベール サン−ゴバン | Fiberglass composition |
DE9410833U1 (en) * | 1994-06-03 | 1994-10-13 | Deschler, Anton, 73432 Aalen | Protection device for a petrol can |
HRP950325A2 (en) * | 1994-06-19 | 1997-08-31 | Saint Gobain Isover | Mineral-fiber compositions |
GB9508683D0 (en) * | 1994-08-02 | 1995-06-14 | Morgan Crucible Co | Inorganic fibres |
US5523265A (en) * | 1995-05-04 | 1996-06-04 | Owens-Corning Fiberglas Technology, Inc. | Glass compositions and fibers therefrom |
US5928975A (en) * | 1995-09-21 | 1999-07-27 | The Morgan Crucible Company,Plc | Saline soluble inorganic fibers |
FR2781788B1 (en) * | 1998-08-03 | 2001-08-10 | Saint Gobain Isover | COMPOSITION OF MINERAL WOOL |
GB2341607B (en) | 1998-09-15 | 2000-07-19 | Morgan Crucible Co | Bonded fibrous materials |
CA2344428A1 (en) * | 1998-09-18 | 2000-03-30 | Owens Corning | Glass fibers with improved durability via low mgo and al2o3 |
ES2163972B1 (en) * | 1999-04-30 | 2003-06-16 | Poliglas Sa | BIOSOLUBLE COMPOSITION OF GLASS FIBERS FOR THE PRODUCTION OF GLASS WOOL AND SIMILAR. |
WO2001019744A1 (en) | 1999-09-10 | 2001-03-22 | The Morgan Crucible Company Plc | High temperature resistant saline soluble fibres |
GB2383793B (en) | 2002-01-04 | 2003-11-19 | Morgan Crucible Co | Saline soluble inorganic fibres |
US7875566B2 (en) | 2004-11-01 | 2011-01-25 | The Morgan Crucible Company Plc | Modification of alkaline earth silicate fibres |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2877124A (en) * | 1955-11-25 | 1959-03-10 | Owens Corning Fiberglass Corp | Glass composition |
US3095311A (en) * | 1960-06-29 | 1963-06-25 | Von Wranau | Glass compositions |
US4177077A (en) * | 1977-10-31 | 1979-12-04 | Johns-Manville Corporation | Glass composition for fiberization |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE805784A (en) * | 1972-10-10 | 1974-04-08 | Johns Manville | GLASS COMPOSITION |
CA998696A (en) * | 1972-12-13 | 1976-10-19 | Ralph L. Tiede | Glass compositions |
JPS5226516A (en) * | 1975-08-25 | 1977-02-28 | Kogyo Gijutsuin | Method of manufacturing alkaliproof glass |
JPS5849501B2 (en) * | 1976-06-29 | 1983-11-04 | 旭硝子株式会社 | Glass composition for glass fiber |
-
1979
- 1979-05-09 SE SE7904044A patent/SE418961C/en not_active IP Right Cessation
-
1980
- 1980-04-11 US US06/139,423 patent/US4312952A/en not_active Expired - Lifetime
- 1980-04-14 FI FI801187A patent/FI64794C/en not_active IP Right Cessation
- 1980-04-15 DE DE8080850052T patent/DE3064209D1/en not_active Expired
- 1980-04-15 EP EP80850052A patent/EP0019600B2/en not_active Expired
- 1980-04-30 DK DK190880A patent/DK158896B/en not_active Application Discontinuation
- 1980-05-09 JP JP55060806A patent/JPS5824385B2/en not_active Expired
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2877124A (en) * | 1955-11-25 | 1959-03-10 | Owens Corning Fiberglass Corp | Glass composition |
US3095311A (en) * | 1960-06-29 | 1963-06-25 | Von Wranau | Glass compositions |
US4177077A (en) * | 1977-10-31 | 1979-12-04 | Johns-Manville Corporation | Glass composition for fiberization |
Cited By (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4381347A (en) * | 1979-05-09 | 1983-04-26 | Oy Partek Ab | Fibre glass composition |
US5108957A (en) * | 1989-08-11 | 1992-04-28 | Isover Saint-Gobain | Glass fibers decomposable in a physiological medium |
AU630484B2 (en) * | 1989-08-11 | 1992-10-29 | Isover Saint-Gobain | Glass fibres capable of decomposing in a physiological medium |
US5250488A (en) * | 1989-08-11 | 1993-10-05 | Sylvie Thelohan | Mineral fibers decomposable in a physiological medium |
USRE35557E (en) * | 1990-06-01 | 1997-07-08 | Isover-Saint Gobain | Mineral fibers decomposable in a physiological medium |
US5843856A (en) * | 1996-01-24 | 1998-12-01 | General Electric Company | Glass composition |
US5962355A (en) * | 1996-04-24 | 1999-10-05 | Owens Corning Fiberglas Technology, Inc. | Glass compositions having high KI values and fibers therefrom |
US5932347A (en) * | 1996-10-31 | 1999-08-03 | Owens Corning Fiberglas Technology, Inc. | Mineral fiber compositions |
US5843855A (en) * | 1997-01-15 | 1998-12-01 | General Electric Company | Glass |
US6034014A (en) * | 1997-08-04 | 2000-03-07 | Owens Corning Fiberglas Technology, Inc. | Glass fiber composition |
US6852656B1 (en) * | 1999-09-30 | 2005-02-08 | Techint Compagnia Tecnica Internazionale S.P.A. | Glass fiber composition |
EP1218304B2 (en) † | 1999-09-30 | 2016-11-16 | STM Technologies S.r.l. | A glass fiber composition |
WO2003062164A1 (en) * | 2002-01-23 | 2003-07-31 | Paramount Glass Manufacturing Co., Ltd. | Glass composition for preparing inorganic fiber, method for production thereof and formed product from the inorganic fiber |
US20050079970A1 (en) * | 2002-01-23 | 2005-04-14 | Keiji Otaki | Glass composition to be used for manufacturing inorganic fiber, method of manufacturing the same and molded product of inorganic fiber |
US20040015420A1 (en) * | 2002-07-18 | 2004-01-22 | Sorrells David F. | Networking methods and systems |
US20080015531A1 (en) * | 2006-07-12 | 2008-01-17 | The Procter & Gamble Company | Disposable absorbent articles comprising non-biopersistent inorganic vitreous microfibers |
WO2008010123A2 (en) * | 2006-07-12 | 2008-01-24 | The Procter & Gamble Company | Disposable absorbent articles comprising non-biopersistent inorganic vitreous microfibers |
WO2008010123A3 (en) * | 2006-07-12 | 2008-05-02 | Procter & Gamble | Disposable absorbent articles comprising non-biopersistent inorganic vitreous microfibers |
US8198505B2 (en) | 2006-07-12 | 2012-06-12 | The Procter & Gamble Company | Disposable absorbent articles comprising non-biopersistent inorganic vitreous microfibers |
US20080161177A1 (en) * | 2006-12-27 | 2008-07-03 | Jon Frederick Bauer | Novel glass compositions for fiber formation |
US7763558B2 (en) * | 2006-12-27 | 2010-07-27 | Johns Manville | Glass compositions for fiber formation |
US20100248928A1 (en) * | 2007-10-31 | 2010-09-30 | Saint-Gobain Technical Fabrics Europe | Glass strands with low alumina content capable of reinforcing organic and/or inorganic materials |
US8367571B2 (en) * | 2007-10-31 | 2013-02-05 | Saint-Gobain Technical Fabrics Europe | Glass strands with low alumina content capable of reinforcing organic and/or inorganic materials |
US9000667B2 (en) * | 2009-08-26 | 2015-04-07 | Ocean's King Lighting Science & Technology Co., Ltd. | Luminescent element, preparation method thereof and luminescence method |
US20120153822A1 (en) * | 2009-08-26 | 2012-06-21 | Ocean's King Lighting Science & Technology Co., Ltd. | Luminescent element, preparation method thereof and luminescence method |
US8536079B2 (en) * | 2011-04-29 | 2013-09-17 | Owens Corning Intellectual Capital, Llc | Use of boron to reduce the thermal conductivity of unbonded loosefill insulation |
US9523190B2 (en) | 2011-04-29 | 2016-12-20 | Owens Corning Intellectual Capital, Llc | Use of boron to reduce the thermal conductivity of unbonded loosefill insulation |
US20190249817A1 (en) * | 2016-09-16 | 2019-08-15 | Saint-Gobain Isover | Glass wool, and vacuum heat insulation material using same |
US11078110B2 (en) * | 2016-09-16 | 2021-08-03 | Saint-Gobain Isover | Glass wool, and vacuum heat insulation material using same |
Also Published As
Publication number | Publication date |
---|---|
EP0019600B2 (en) | 1989-06-07 |
SE418961B (en) | 1981-07-06 |
FI801187A (en) | 1980-11-10 |
DK158896B (en) | 1990-07-30 |
FI64794B (en) | 1983-09-30 |
FI64794C (en) | 1984-01-10 |
JPS5824385B2 (en) | 1983-05-20 |
DK190880A (en) | 1980-11-10 |
EP0019600A3 (en) | 1981-05-20 |
EP0019600B1 (en) | 1983-07-20 |
SE418961C (en) | 1987-03-23 |
DE3064209D1 (en) | 1983-08-25 |
JPS5614450A (en) | 1981-02-12 |
EP0019600A2 (en) | 1980-11-26 |
SE7904044L (en) | 1980-11-10 |
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